Restoration of Hetch Hetchy Valley and San Francisco’s Water Supply

Q: After restoration, where will San Francisco gets is water?
A: From the Tuolumne River, just as it does now.

This report addresses only the most commonly asked question by restoration skeptics: Where would the water come from? Restoration would also require increased water treatment costs and replacement of about 350 gigawatt-hours per year of hydropower production – issues not addressed herein.